OS Versions

Families of OSes

There are three OS families that dominate the market today:

• Windows
• Linux
• macOS

The term family means several OS versions that follow the same architectural solutions. Therefore, most functions in these versions are implemented in the same manner.

Backward compatibility problem

The developers of an OS family follow the same architecture. They do not offer something fundamentally new in the latest versions of their product.

This is because changes in modern OSs happen gradually and slowly. The reason for this is a backward compatibility problem. This compatibility means that newer OS versions provide the features of older versions. Most existing programs require these ...